$B0-$B1/176-177: Tape timing Constants
Used by Jiffy-DOS: SPRSAV ($B0)
Used by Jiffy-DOS: RASSAV ($B1)
Saved, then restored by Load routine (no other usage).
Used by Jiffy-DOS: KEYPTR
Used only from Basic for Jiffy-DOS wedge comands, device
toggle and function keys.
Kernal-Reference:
ADC $B0 : $F8E9 $F971 $F97A $F982 $FA26
BIT $B0 : $F8F2
DEC $B0 : $F9DB
INC $B0 : $F9DE
LDA $B0 : $F8E4 $F959
STA $B0 : $F856
ADC $B1 : $F8EC $F905
ASL $B1 : $F8F7 $F8FA
CMP $B1 : $F95E $F973 $F97C $F984
LSR $B1 : $FA1F
ROR $B1 : $F954 $F957
SBC $B1 : $F94F $F99C $FA24
STA $B1 : $F8EE
STX $B1 : $F8E2 $F93A $F951
Previous Page / Next Page